http://dr5.lamost.org/v3/sas/fits/20131215/GAC094N47V3/spec-56642-GAC094N47V3_sp12-169.fits.gz
http://dr5.lamost.org/v3/sas/fits/20131215/GAC094N47V3/spec-56642-GAC094N47V3_sp12-169.fits.gz
http://dr5.lamost.org/v3/sas/fits/20131215/GAC094N47V3/spec-56642-GAC094N47V3_sp12-169.fits.gz
http://dr5.lamost.org/v3/sas/fits/20131215/GAC094N47V3/spec-56642-GAC094N47V3_sp12-169.fits.gz